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Balls, bubbles, planets: V = ⁴⁄₃πr³. The reference table shows the cubic scaling — doubling radius multiplies volume by 8.
V = (4/3)πr³ — enter dimensions, get the result with steps.
V = (4/3)πr³
| Symbol | Meaning |
|---|---|
| r | Radius (≥ 0) |
r = 3 → V ≈ 113.0973. Scaling: r=1→4.1888, 2→33.5103, 3→113.0973, 4→268.0826, 5→523.5988, 10→4188.7902.
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Integration of circular cross-sections (disks) along the diameter yields ⁴⁄₃πr³.
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Content updated: September 2026